20 Companies
The number that received a 2016 Grid Edge Award this week from GTM, an industry honor recognizing companies and partnerships on the cutting edge of distributed energy and grid integration. (story)

454 Battery Systems
The number of grid-connected residential systems installed last year in the U.S., more than double the total in 2014. (story)

45 Employees
The number of layoffs at Opower last month as the company terminates its...